I have a system running FreeBSD 8.2-RELEASE-p2 with an LCD display attached capable of running at a native resolution of 1600 x 900. I have configured Xorg the way I think it should work, however the right side of the display image shows on the left side of the screen:

The display looks correct at lower resolutions... Is it some setting in the Xorg.conf file causing this? What steps can I try to troubleshoot / correct this?

2 Answers
2

Your config has only one ModeLine defined - for 1600x900 resolution - and makes it the Preferred Mode. You can obtain the proper Modelines (determined by Xorg for your monitor) by looking at the log file - usually it is /var/log/Xorg.0.log.

If setting the Modeline does not help, try running X -configure, which will create a xorg.conf.new file with suggested settings. If that also does not solve your problem, you'd probably need to use other display driver.

Depending how new the Intel graphics are, you may also be served by updating to 10-CURRENT which has support for KMS on Intel Sandy Bridge cards and recently X.org was updated to go with this (in the last few days actually).